This story was originally published on WardsAuto. To receive daily news and insights, subscribe to our free daily WardsAuto newsletter. One thing is crystal clear about the Lucid Gravity: Its ...

Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one problem—such a device would defy the laws of ...

As the 21st century unfolds, radically different forms of air and space vehicles will replace the clunky machines of today, whisking passengers at ultra-high speed around the Earth and outward into ...